diff --git a/contracts/admin-openapi.json b/contracts/admin-openapi.json
index 097f534..dc41c8b 100644
--- a/contracts/admin-openapi.json
+++ b/contracts/admin-openapi.json
@@ -8875,8 +8875,11 @@
             },
             "ApiPageManager": {
                 "type": "object",
-                "required": ["items", "page", "pageSize", "total"],
+                "required": ["items", "page", "pageSize", "total", "bdLeaderInviteScopePolicy"],
                 "properties": {
+                    "bdLeaderInviteScopePolicy": {
+                        "$ref": "#/components/schemas/ManagerRoleScopePolicy"
+                    },
                     "items": {
                         "type": "array",
                         "items": {
@@ -10112,6 +10115,19 @@
                     }
                 }
             },
+            "ManagerRoleScopePolicy": {
+                "type": "object",
+                "required": ["baseScope", "regionExpansionConfigurable"],
+                "properties": {
+                    "baseScope": {
+                        "type": "string",
+                        "enum": ["country", "region", "global"]
+                    },
+                    "regionExpansionConfigurable": {
+                        "type": "boolean"
+                    }
+                }
+            },
             "Manager": {
                 "type": "object",
                 "required": ["userId"],
@@ -10128,6 +10144,20 @@
                     "canAddBdLeader": {
                         "type": "boolean"
                     },
+                    "canAddBdLeaderInRegion": {
+                        "type": "boolean"
+                    },
+                    "bdLeaderInviteBaseScope": {
+                        "type": "string",
+                        "enum": ["country", "region", "global"]
+                    },
+                    "bdLeaderInviteEffectiveScope": {
+                        "type": "string",
+                        "enum": ["country", "region", "global"]
+                    },
+                    "bdLeaderRegionExpansionConfigurable": {
+                        "type": "boolean"
+                    },
                     "canAddSuperadmin": {
                         "type": "boolean"
                     },
@@ -10638,6 +10668,9 @@
                     "canAddBdLeader": {
                         "type": "boolean"
                     },
+                    "canAddBdLeaderInRegion": {
+                        "type": "boolean"
+                    },
                     "canAddSuperadmin": {
                         "type": "boolean"
                     },
@@ -10680,6 +10713,9 @@
                     "canAddBdLeader": {
                         "type": "boolean"
                     },
+                    "canAddBdLeaderInRegion": {
+                        "type": "boolean"
+                    },
                     "canAddSuperadmin": {
                         "type": "boolean"
                     },
diff --git a/src/features/host-org/api.test.ts b/src/features/host-org/api.test.ts
index dd49640..766b13b 100644
--- a/src/features/host-org/api.test.ts
+++ b/src/features/host-org/api.test.ts
@@ -69,6 +69,7 @@ test("host org list APIs use generated admin paths and filters", async () => {
         status: "active",
     });
     await createManager({
+        canAddBdLeaderInRegion: false,
         canBlockUser: false,
         canGrantBadge: false,
         canGrantVip: true,
@@ -76,6 +77,7 @@ test("host org list APIs use generated admin paths and filters", async () => {
         targetUserId: "1003",
     });
     await updateManager("1003", {
+        canAddBdLeaderInRegion: true,
         canBlockUser: false,
         canGrantVehicle: true,
         canGrantVip: false,
@@ -158,6 +160,7 @@ test("host org list APIs use generated admin paths and filters", async () => {
     expect(String(managerCreateUrl)).toContain("/api/v1/admin/managers");
     expect(managerCreateInit?.method).toBe("POST");
     expect(JSON.parse(String(managerCreateInit?.body))).toEqual({
+        canAddBdLeaderInRegion: false,
         canBlockUser: false,
         canGrantBadge: false,
         canGrantVip: true,
@@ -167,6 +170,7 @@ test("host org list APIs use generated admin paths and filters", async () => {
     expect(String(managerUpdateUrl)).toContain("/api/v1/admin/managers/1003");
     expect(managerUpdateInit?.method).toBe("PUT");
     expect(JSON.parse(String(managerUpdateInit?.body))).toEqual({
+        canAddBdLeaderInRegion: true,
         canBlockUser: false,
         canGrantVehicle: true,
         canGrantVip: false,
diff --git a/src/features/host-org/hooks/useHostManagersPage.js b/src/features/host-org/hooks/useHostManagersPage.js
index f536c94..29ed8e7 100644
--- a/src/features/host-org/hooks/useHostManagersPage.js
+++ b/src/features/host-org/hooks/useHostManagersPage.js
@@ -17,29 +17,44 @@ export const managerPermissionFields = [
     "canGrantVip",
     "canUpdateUserLevel",
     "canAddBdLeader",
+    "canAddBdLeaderInRegion",
     "canAddAdmin",
     "canAddSuperadmin",
     "canBlockUser",
     "canTransferUserCountry",
 ];
 
-const emptyPermissions = () => Object.fromEntries(managerPermissionFields.map((field) => [field, true]));
+const managerPermissionDefault = (field) => field !== "canAddBdLeaderInRegion";
 
-const emptyManagerForm = () => ({ contact: "", targetUserId: "", ...emptyPermissions() });
+const managerPermissionEnabled = (source, field) => {
+    const value = source?.[field];
+    return value === undefined || value === null ? managerPermissionDefault(field) : value !== false;
+};
+
+const emptyPermissions = () =>
+    Object.fromEntries(managerPermissionFields.map((field) => [field, managerPermissionDefault(field)]));
+
+const emptyManagerForm = (regionExpansionConfigurable = false) => ({
+    bdLeaderRegionExpansionConfigurable: regionExpansionConfigurable,
+    contact: "",
+    targetUserId: "",
+    ...emptyPermissions(),
+});
 
 const managerPermissionPayload = (form) =>
-    Object.fromEntries(managerPermissionFields.map((field) => [field, form[field] !== false]));
+    Object.fromEntries(managerPermissionFields.map((field) => [field, managerPermissionEnabled(form, field)]));
 
 const managerStatusPayload = (item, status) => ({
     contact: item?.contact || "",
     status,
-    ...Object.fromEntries(managerPermissionFields.map((field) => [field, item?.[field] !== false])),
+    ...Object.fromEntries(managerPermissionFields.map((field) => [field, managerPermissionEnabled(item, field)])),
 });
 
 const managerFormFromItem = (item) => ({
+    bdLeaderRegionExpansionConfigurable: item?.bdLeaderRegionExpansionConfigurable === true,
     contact: item?.contact || "",
     targetUserId: String(item?.userId || ""),
-    ...Object.fromEntries(managerPermissionFields.map((field) => [field, item?.[field] !== false])),
+    ...Object.fromEntries(managerPermissionFields.map((field) => [field, managerPermissionEnabled(item, field)])),
 });
 
 export function useHostManagersPage() {
@@ -118,7 +133,7 @@ export function useHostManagersPage() {
                 });
                 showToast("经理已添加", "success");
             }
-            setManagerForm(emptyManagerForm());
+            setManagerForm(emptyManagerForm(data.bdLeaderInviteScopePolicy?.regionExpansionConfigurable === true));
             setActiveAction("");
             setEditingManager(null);
             await reload();
@@ -132,12 +147,12 @@ export function useHostManagersPage() {
     const closeAction = () => {
         setActiveAction("");
         setEditingManager(null);
-        setManagerForm(emptyManagerForm());
+        setManagerForm(emptyManagerForm(data.bdLeaderInviteScopePolicy?.regionExpansionConfigurable === true));
     };
 
     const openManagerForm = () => {
         setEditingManager(null);
-        setManagerForm(emptyManagerForm());
+        setManagerForm(emptyManagerForm(data.bdLeaderInviteScopePolicy?.regionExpansionConfigurable === true));
         setActiveAction("manager");
     };
 
diff --git a/src/features/host-org/pages/HostManagersPage.jsx b/src/features/host-org/pages/HostManagersPage.jsx
index c2005d0..d7a6b29 100644
--- a/src/features/host-org/pages/HostManagersPage.jsx
+++ b/src/features/host-org/pages/HostManagersPage.jsx
@@ -22,6 +22,7 @@ const managerPermissionOptions = [
     { key: "canGrantVip", label: "VIP" },
     { key: "canUpdateUserLevel", label: "升级等级" },
     { key: "canAddBdLeader", label: "BD Leader" },
+    { key: "canAddBdLeaderInRegion", label: "区域邀请 BD Leader", regionExpansionOnly: true },
     { key: "canAddAdmin", label: "Admin" },
     { key: "canAddSuperadmin", label: "Superadmin" },
     { key: "canBlockUser", label: "Block User" },
@@ -201,20 +202,28 @@ function ManagerStatusSwitch({ item, page }) {
 function ManagerPermissions({ item }) {
     return (
         <div className={styles.permissionList}>
-            {managerPermissionOptions.map((permission) => {
-                const enabled = item?.[permission.key] !== false;
-                return (
-                    <span
-                        className={
-                            enabled ? styles.permissionPill : `${styles.permissionPill} ${styles.permissionPillOff}`
-                        }
-                        key={permission.key}
-                    >
-                        {permission.label}
-                        <span>{enabled ? "开" : "关"}</span>
-                    </span>
-                );
-            })}
+            {managerPermissionOptions
+                .filter(
+                    (permission) =>
+                        !permission.regionExpansionOnly || item?.bdLeaderRegionExpansionConfigurable === true,
+                )
+                .map((permission) => {
+                    const enabled =
+                        permission.key === "canAddBdLeaderInRegion"
+                            ? item?.[permission.key] === true
+                            : item?.[permission.key] !== false;
+                    return (
+                        <span
+                            className={
+                                enabled ? styles.permissionPill : `${styles.permissionPill} ${styles.permissionPillOff}`
+                            }
+                            key={permission.key}
+                        >
+                            {permission.label}
+                            <span>{enabled ? "开" : "关"}</span>
+                        </span>
+                    );
+                })}
         </div>
     );
 }
@@ -237,19 +246,28 @@ function ManagerActions({ item, page }) {
 function PermissionSwitchGrid({ disabled, form, onChange }) {
     return (
         <div className={styles.permissionGrid}>
-            {managerPermissionOptions.map((permission) => (
-                <label className={styles.permissionSwitch} key={permission.key}>
-                    <span>{permission.label}</span>
-                    <AdminSwitch
-                        checked={form?.[permission.key] !== false}
-                        checkedLabel="开"
-                        disabled={disabled}
-                        label={permission.label}
-                        uncheckedLabel="关"
-                        onChange={(event) => onChange({ ...form, [permission.key]: event.target.checked })}
-                    />
-                </label>
-            ))}
+            {managerPermissionOptions
+                .filter(
+                    (permission) =>
+                        !permission.regionExpansionOnly || form?.bdLeaderRegionExpansionConfigurable === true,
+                )
+                .map((permission) => (
+                    <label className={styles.permissionSwitch} key={permission.key}>
+                        <span>{permission.label}</span>
+                        <AdminSwitch
+                            checked={
+                                permission.key === "canAddBdLeaderInRegion"
+                                    ? form?.[permission.key] === true
+                                    : form?.[permission.key] !== false
+                            }
+                            checkedLabel="开"
+                            disabled={disabled}
+                            label={permission.label}
+                            uncheckedLabel="关"
+                            onChange={(event) => onChange({ ...form, [permission.key]: event.target.checked })}
+                        />
+                    </label>
+                ))}
         </div>
     );
 }
diff --git a/src/features/host-org/pages/HostManagersPage.test.jsx b/src/features/host-org/pages/HostManagersPage.test.jsx
index 52aad46..a5cd6fc 100644
--- a/src/features/host-org/pages/HostManagersPage.test.jsx
+++ b/src/features/host-org/pages/HostManagersPage.test.jsx
@@ -17,7 +17,9 @@ afterEach(() => {
 
 test("manager status column uses a switch and toggles through the page hook", () => {
     const manager = managerFixture();
-    vi.mocked(useHostManagersPage).mockReturnValue(pageFixture({ data: { items: [manager], page: 1, pageSize: 50, total: 1 } }));
+    vi.mocked(useHostManagersPage).mockReturnValue(
+        pageFixture({ data: { items: [manager], page: 1, pageSize: 50, total: 1 } }),
+    );
 
     render(<HostManagersPage />);
 
@@ -31,6 +33,35 @@ test("manager status column uses a switch and toggles through the page hook", ()
     expect(mocks.toggleManager).toHaveBeenCalledWith(manager, false);
 });
 
+test("manager form only shows the region invitation switch when backend policy allows configuration", () => {
+    vi.mocked(useHostManagersPage).mockReturnValue(
+        pageFixture({
+            activeAction: "manager",
+            managerForm: {
+                ...pageFixture().managerForm,
+                bdLeaderRegionExpansionConfigurable: true,
+                canAddBdLeaderInRegion: false,
+            },
+        }),
+    );
+
+    const { rerender } = render(<HostManagersPage />);
+    expect(screen.getByRole("switch", { name: "区域邀请 BD Leader" })).not.toBeChecked();
+
+    vi.mocked(useHostManagersPage).mockReturnValue(
+        pageFixture({
+            activeAction: "manager",
+            managerForm: {
+                ...pageFixture().managerForm,
+                bdLeaderRegionExpansionConfigurable: false,
+                canAddBdLeaderInRegion: false,
+            },
+        }),
+    );
+    rerender(<HostManagersPage />);
+    expect(screen.queryByRole("switch", { name: "区域邀请 BD Leader" })).not.toBeInTheDocument();
+});
+
 function pageFixture(patch = {}) {
     return {
         abilities: {
@@ -50,8 +81,10 @@ function pageFixture(patch = {}) {
         loadingAction: "",
         loadingRegions: false,
         managerForm: {
+            bdLeaderRegionExpansionConfigurable: true,
             canAddAdmin: true,
             canAddBdLeader: true,
+            canAddBdLeaderInRegion: false,
             canAddSuperadmin: true,
             canBlockUser: true,
             canGrantAvatarFrame: true,
@@ -86,6 +119,8 @@ function managerFixture() {
         bdLeaderCount: 3,
         canAddAdmin: true,
         canAddBdLeader: false,
+        canAddBdLeaderInRegion: false,
+        bdLeaderRegionExpansionConfigurable: true,
         canAddSuperadmin: true,
         canBlockUser: true,
         canGrantAvatarFrame: true,
diff --git a/src/features/host-org/schema.test.ts b/src/features/host-org/schema.test.ts
index 279c900..99c4ec5 100644
--- a/src/features/host-org/schema.test.ts
+++ b/src/features/host-org/schema.test.ts
@@ -132,6 +132,7 @@ test("manager schema defaults vip grant permission on and preserves explicit fal
     expect(disabledResult.success).toBe(true);
     if (defaultResult.success) {
         expect(defaultResult.data.canGrantVip).toBe(true);
+        expect(defaultResult.data.canAddBdLeaderInRegion).toBe(false);
     }
     if (disabledResult.success) {
         expect(disabledResult.data.canGrantVip).toBe(false);
diff --git a/src/features/host-org/schema.ts b/src/features/host-org/schema.ts
index 0b587d0..7e30b36 100644
--- a/src/features/host-org/schema.ts
+++ b/src/features/host-org/schema.ts
@@ -112,6 +112,7 @@ export const createCoinSellerSchema = commandContactSchema.extend({
 export const createManagerSchema = z.object({
     canAddAdmin: z.boolean().optional().default(true),
     canAddBdLeader: z.boolean().optional().default(true),
+    canAddBdLeaderInRegion: z.boolean().optional().default(false),
     canAddSuperadmin: z.boolean().optional().default(true),
     canBlockUser: z.boolean().optional().default(true),
     canGrantAvatarFrame: z.boolean().optional().default(true),
diff --git a/src/shared/api/generated/schema.d.ts b/src/shared/api/generated/schema.d.ts
index 544ac60..d6915d1 100644
--- a/src/shared/api/generated/schema.d.ts
+++ b/src/shared/api/generated/schema.d.ts
@@ -4677,6 +4677,7 @@ export interface components {
             total: number;
         };
         ApiPageManager: {
+            bdLeaderInviteScopePolicy: components["schemas"]["ManagerRoleScopePolicy"];
             items: components["schemas"]["Manager"][];
             page: number;
             pageSize: number;
@@ -5056,11 +5057,22 @@ export interface components {
             status?: string;
             updatedAtMs?: number;
         };
+        ManagerRoleScopePolicy: {
+            /** @enum {string} */
+            baseScope: "country" | "region" | "global";
+            regionExpansionConfigurable: boolean;
+        };
         Manager: {
             avatar?: string;
             bdLeaderCount?: number;
             canAddAdmin?: boolean;
             canAddBdLeader?: boolean;
+            canAddBdLeaderInRegion?: boolean;
+            /** @enum {string} */
+            bdLeaderInviteBaseScope?: "country" | "region" | "global";
+            /** @enum {string} */
+            bdLeaderInviteEffectiveScope?: "country" | "region" | "global";
+            bdLeaderRegionExpansionConfigurable?: boolean;
             canAddSuperadmin?: boolean;
             canBlockUser?: boolean;
             canGrantAvatarFrame?: boolean;
@@ -5232,6 +5244,7 @@ export interface components {
         CreateManagerPayload: {
             canAddAdmin?: boolean;
             canAddBdLeader?: boolean;
+            canAddBdLeaderInRegion?: boolean;
             canAddSuperadmin?: boolean;
             canBlockUser?: boolean;
             canGrantAvatarFrame?: boolean;
@@ -5246,6 +5259,7 @@ export interface components {
         UpdateManagerPayload: {
             canAddAdmin?: boolean;
             canAddBdLeader?: boolean;
+            canAddBdLeaderInRegion?: boolean;
             canAddSuperadmin?: boolean;
             canBlockUser?: boolean;
             canGrantAvatarFrame?: boolean;
diff --git a/src/shared/api/types.ts b/src/shared/api/types.ts
index c858f8a..30de140 100644
--- a/src/shared/api/types.ts
+++ b/src/shared/api/types.ts
@@ -1,10 +1,16 @@
 export interface ApiPage<TItem> {
+    bdLeaderInviteScopePolicy?: ManagerRoleScopePolicy;
     items: TItem[];
     page: number;
     pageSize: number;
     total: number;
 }
 
+export interface ManagerRoleScopePolicy {
+    baseScope: "country" | "region" | "global";
+    regionExpansionConfigurable: boolean;
+}
+
 export interface ApiList<TItem> {
     items: TItem[];
     total: number;
@@ -756,6 +762,10 @@ export interface ManagerDto {
     bdLeaderCount?: number;
     canAddAdmin?: boolean;
     canAddBdLeader?: boolean;
+    canAddBdLeaderInRegion?: boolean;
+    bdLeaderInviteBaseScope?: "country" | "region" | "global";
+    bdLeaderInviteEffectiveScope?: "country" | "region" | "global";
+    bdLeaderRegionExpansionConfigurable?: boolean;
     canAddSuperadmin?: boolean;
     canBlockUser?: boolean;
     canGrantAvatarFrame?: boolean;
@@ -779,6 +789,7 @@ export interface ManagerDto {
 export interface CreateManagerPayload {
     canAddAdmin?: boolean;
     canAddBdLeader?: boolean;
+    canAddBdLeaderInRegion?: boolean;
     canAddSuperadmin?: boolean;
     canBlockUser?: boolean;
     canGrantAvatarFrame?: boolean;
@@ -794,6 +805,7 @@ export interface CreateManagerPayload {
 export interface UpdateManagerPayload {
     canAddAdmin?: boolean;
     canAddBdLeader?: boolean;
+    canAddBdLeaderInRegion?: boolean;
     canAddSuperadmin?: boolean;
     canBlockUser?: boolean;
     canGrantAvatarFrame?: boolean;